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Finding the Fourth Proportional to 353,432.70, 530,149.05 and 241,458.30

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Solution

The fourth proportional to 353,432.70, 530,149.05 and 241,458.30 is: 362,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,432.70 : 530,149.05 = 241,458.30 : x
  2. Step 2: Convert to fraction form
    353,432.70/530,149.05 = 241,458.30/x
  3. Step 3: Cross multiply
    353,432.70x = 530,149.05 × 241,458.30
  4. Step 4: Simplify right side
    353,432.70x = 128,008,888,359.62
  5. Step 5: Solve for x
    x = 128,008,888,359.62/353,432.70
  6. Step 6: Final answer
    x = 362,187.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.